Finding the Fourth Proportional to 219,344.05, 302,695.76 and 118,742.05
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Solution
The fourth proportional to 219,344.05, 302,695.76 and 118,742.05 is: 163,864.55
Step by Step Solution
- Step 1: Write the proportion equation
219,344.05 : 302,695.76 = 118,742.05 : x - Step 2: Convert to fraction form
219,344.05/302,695.76 = 118,742.05/x - Step 3: Cross multiply
219,344.05x = 302,695.76 × 118,742.05 - Step 4: Simplify right side
219,344.05x = 35,942,715,068.71 - Step 5: Solve for x
x = 35,942,715,068.71/219,344.05 - Step 6: Final answer
x = 163,864.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.